CVE-2021-27935

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in AdGuard before 0.105.2. An attacker able to get the user's cookie is able to bruteforce their password offline, because the hash of the password is stored in the cookie.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-522

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/AdguardTeam/AdGuardHome/issues/2470Issue Tracking, Patch, Third Party Advisory
https://github.com/AdguardTeam/AdGuardHome/issues/2470Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Mar 3, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-279386.1A vulnerability has been identified in the Silverstripe CMS 3 and 4 version of the symbiote/silverstripe-queuedjobs module. A Cross Site Scr CVE-2021-279406.1resources/public/js/orchestrator.js in openark orchestrator before 3.2.4 allows XSS via the orchestrator-msg parameter.CVE-2021-279414.6Unconstrained Web access to the device's private encryption key in the QR code pairing mode in the eWeLink mobile application (through 4.9.2 CVE-2021-279426.8Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast CVE-2021-279437.5The pairing procedure used by the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs and mobile application is vulnerable to a brute-CVE-2021-279449.8Several high privileged APIs on the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs do not enforce access controls, allowing an un CVE-2021-279456.1The Squirro Insights Engine was affected by a Reflected Cross-Site Scripting (XSS) vulnerability affecting versions 2.0.0 up to and includin CVE-2021-279468.8SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).CVE-2021-279477.2SQL Injection vulnerability in MyBB before 1.8.26 via the Copy Forum feature in Forum Management. (issue 2 of 3).CVE-2021-279487.2SQL Injection vulnerability in MyBB before 1.8.26 via User Groups. (issue 3 of 3).CVE-2021-279496.1Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools.CVE-2021-279508.8A SQL injection vulnerability in azurWebEngine in Sita AzurCMS through 1.2.3.12 allows an authenticated attacker to execute arbitrary SQL co